In a general network model, the layer responsible for process-to-process delivery is the Transport Layer. The Transport Layer ensures that data is delivered reliably and accurately from the source process to the destination process.
The Transport Layer also handles flow control, which regulates the amount of data sent at a time to avoid overwhelming the receiving process. It also provides error detection and correction mechanisms to ensure the integrity of the data being transmitted.
One of the most commonly used protocols at the Transport Layer is the Transmission Control Protocol (TCP), which is responsible for reliable, connection-oriented communication. Another protocol at this layer is the User Datagram Protocol (UDP), which is connectionless and provides faster, but less reliable delivery.
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explain the limitations of the old economy
Explanation:
Time Constraint and Time Consuming: Nobody would carry out business when the market was closed. ... Limited Space: The old economy depended on physical space such as market places and offices before business transaction could take place.
the most distinguishing feature of the use of a client-server processing model over an old mainframe configuration is
The most distinguishing feature of the use of a client-server processing model over an old mainframe configuration is the distribution of computing power.
What is a client-server processing model?A client-server processing model is a distributed application structure that partitions tasks or workload between service providers and service requesters, called clients. Each computer in the client-server model operates as either a client or a server. The server provides services to the clients, such as data sharing, data manipulation, and data storage.
The client requests services from the server, allowing for the distribution of processing responsibilities between the two entities. In this model, the server is responsible for storing data, while the client is responsible for data retrieval. A mainframe configuration is an older computing model that is centralized, where the mainframe performs all computing activities.
All users are linked to the mainframe, which stores all data and applications, as well as handles all processing responsibilities. Mainframes can handle a large amount of data and have a lot of processing power, but they are inflexible and can be difficult to scale. The distribution of computing power is the most distinguishing feature of the use of a client-server processing model over an old mainframe configuration.
In the client-server model, processing power is distributed between the client and the server. In a mainframe configuration, however, all computing power is centralized, with the mainframe handling all processing responsibilities.
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alex is interested in getting cryptocurrency but is concerned about security. he wants to store it in a way that he has control and is potentially the most secure. what storage method should he choose?
Bitcoin and crypto use is growing the most in lower and middle-income countries; it is used to send remittances, preserve savings, and act as a substitute when financial services unique to the countries are hard to access.
For people who use or are new to cryptocurrency, there have been many products and services developed that make it more convenient; yet, the rising use and use of cryptocurrency has also resulted in a rise in hacking and theft. Blockchain experts at Chainalysis discovered that 2022 was the worst year ever in terms of the overall value of bitcoin stolen, totaling $3.8 billion. This was revealed in their annual analysis of cryptocurrency theft.
There are a few ways to boost the security of your bitcoin and other cryptocurrencies, but no storage option is completely secure.
MAIN TAKEAWAYS
Users could misplace their bitcoins and other cryptocurrency tokens as a result of theft, computer malfunction, lost access keys, and other factors.
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In a RAML specification, what attribute defines a query parameter to be optional for a resource?
- required: false
- optional: true
- provided: false
- mandatory: false
In a RAML specification, the attribute that defines a query parameter to be optional for a resource is:
- required: false
When you set the 'required' attribute to false, it indicates that the query parameter is not mandatory and can be omitted when making a request to the resource.
In a RAML specification, the attribute that defines a query parameter to be optional for a resource is required: false. This attribute is used to specify whether a query parameter is mandatory or optional for a resource.
By default, all query parameters are considered optional unless specified otherwise using the required attribute.
When required: false is used, the API client may choose whether to include the query parameter in the request or not.
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Consider the following statement which refers to the block
When you execute this block in Scratch, your computer is actually doing several things: retrieving values from memory representing the direction and position of the sprite, performing an algorithm to update these values, and changing the display in the window to match the updated state of the program. All of these actions are represented by just one single block.
Which of the following terms names the phenomenon which is best described by this statement?
Answer:
Abstraction
Explanation:
the quality of dealing with ideas rather than events
What is an open port? Why is it important to limit the number of open ports to those that are absolutely essential?
An open port refers to a specific communication endpoint on a computer or network device that allows data to be sent and received.
Ports are numbered and assigned specific functions, such as Port 80 for HTTP or Port 443 for HTTPS.
It is important to limit the number of open ports to those that are absolutely essential for a few reasons. First, having open ports increases the attack surface of a system. Each open port is a potential entry point for unauthorized access or malicious activities. By reducing the number of open ports, the potential attack surface is minimized, making it more difficult for attackers to find vulnerabilities.
Second, open ports can be a potential avenue for malware or malicious code to enter a system. By limiting open ports to only those that are necessary, the risk of malware infiltration is decreased.
Third, open ports can impact network performance. When there are too many open ports, network resources can become overloaded, leading to slower performance and potential disruptions. By restricting open ports to those that are needed, network resources can be utilized more efficiently.
In conclusion, it is important to limit the number of open ports to those that are absolutely essential to minimize the attack surface, reduce the risk of malware infiltration, and optimize network performance. By doing so, organizations can enhance the security and efficiency of their systems.
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fill in the blank
Client/server networks require BLANK software that enables nodes and the server to collaborate on processing and storage.
Client/server networks require specialized software that enables nodes and the server to collaborate on processing and storage.
A server can be defined as a specialized computer system which is typically designed and configured to store and provide specific remote services for its clients (end users), based on a request.
In Computer and Technology, there are various kinds of server and these include:
Print server.Database server.Proxy server.Web server.Application server.File server.Virtual server.In Cloud computing, a client refers to an end user that request for a service over the internet while a server is the specialized computer system which offers this service to a client.
In conclusion, specialized software applications or programs are required for client/server networks, so as to enable nodes and the server collaborate on processing and storage.
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What voting rights law did you choose?
Answer:
FREE AND FAIR ELECTION
Answer:
I Dont even know.. to be honest
Explanation:
The system admin took an archive file and applied a compression utility to it. The resulting file extension is .gz. Which compression utility was used
The compression utility that was used by the system admin is Gzip or GNU Zip
What is a compressed file?A compressed file is a file that has been reduced in size by eliminating some of the redundant bits in the original data. A compression program is used to compress data files, allowing for more efficient storage of the information. When compressed files are extracted, the original data is restored.
Gzip is a free and open-source compression utility that is commonly used in Linux and Unix-based operating systems. It compresses individual files using Lempel-Ziv coding (LZ77) and Huffman encoding.
The resulting compressed file has a .gz extension. The gzip utility is most often used to compress web pages on servers, speeding up the delivery of content to visitors' browsers. It is frequently used in combination with tar to create a compressed archive file.
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Please help answerr. You don’t have to answer all questions just whichever one you know :::))
a Give the meaning of the abbreviation GPS. (1 mark)
b Explain what is needed for a GPS system to become a
satellite navigation system as used in cars. (1 mark)
c Give the name of the input device used with a
satellite navigation system.
(1 mark)
d Describe three uses for a GPS system other than
for a satellite navigation system.
(3 marks)
a. GPS means Global Positioning System
Give two benifets to the supermarket maneger and two benifets of customers of using barcods on all items
Answer:
The benefit of barcodes on items for the manager and the customers are as follow-
Explanation:
Benefits of using bar codes on all items to the manger are as follow -
The process of customer dealing increases by quickly scanning the item, rather than manually noting down the details.The track record of all the items can be maintained properly.Benefits of using bar codes on all items to the customers are as follow -
The time period to purchase any item increases, hence the customer can shop for many items in short span of time.The chances of any mistake gets reduced, as everything is done digitally.The following statements about regression using pooled cross section data are correct, with the exception of:
a. one should compute cluster-robust standard errors for conducting inference.
b. the increase in sample size increases the precision of estimators.
c. an important application is policy analysis using differences-in-differences method.
d. it enables time-varying intercepts and slope coefficients.
The statement that is incorrect regarding regression using pooled cross section data is: "d. It enables time-varying intercepts and slope coefficients."
Regression using pooled cross section data involves combining multiple cross-sectional observations over time to analyze relationships between variables. The correct statements are as follows:
a. One should compute cluster-robust standard errors for conducting inference: When dealing with pooled cross section data, it is important to account for potential correlation within clusters, such as individuals within households or firms within industries. Computing cluster-robust standard errors helps to address this issue and produce valid inference.
b. The increase in sample size increases the precision of estimators: With larger sample sizes, the estimates of coefficients become more precise and have smaller standard errors, leading to more reliable results and stronger statistical inference.
c. An important application is policy analysis using the differences-in-differences method: Pooled cross section data allows for the implementation of the differences-in-differences (DID) method, which is commonly used in policy analysis. DID compares the treatment effect on a group exposed to a policy intervention with a control group, providing insights into the causal impact of the policy.
d. It enables time-varying intercepts and slope coefficients: This statement is incorrect. Pooled cross section data assumes that the relationship between the dependent variable and independent variables is constant over time, so it does not accommodate time-varying intercepts and slope coefficients. Other methods, such as panel data analysis, are more suitable for examining such dynamics over time.
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programming in https
Michael is using the internet to download images and to find information about his topic for a school project. When Michael is done, he will save his project and turn off the computer. In order to do this, Michael needs
assume that chessboard has been declared to be a two-dimensional array of strings. write a statement that instantiates an 8x8 array of strings and assign it to chessboard.
The following statement helps in instantiating an 8 x 8 array of strings
chessboard = new String[8][8];
What is instantiation in programming?
Confoundingly, the object that is instantiated from a class in the OOP language Java is referred to as a class rather than an object. To put it another way, a class in Java is instantiated to produce a particular class that is also an executable file that can run on a computer.
A statement in java is instantiated used a single line like the initialization so for the given problem there is a two dimensional array need which can be represented by using [][], where the array is of 8, so assigning the variable to the chessboard which gives the following result
chessboard = new String[8][8]
Thus chessboard = new String[8][8] is the instantiation needed
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what is memory?
How many type of memory in computer system?
Memory is the process of taking in information from the world around us, processing it, storing it and later recalling that information, sometimes many years later. Human memory is often likened to that of a computer memory.
How many type of memory in computer system?two typesMemory is also used by a computer's operating system, hardware and software. There are technically two types of computer memory: primary and secondary. The term memory is used as a synonym for primary memory or as an abbreviation for a specific type of primary memory called random access memory (RAM).Hope it helps you my friendHave a great day aheadGood morning friend_________ is the primary measurement used to gauge your typing ability
Answer:
Words per minute
Explanation:
Determine if the following problems exhibit task or data parallelism:
•Using a separate thread to generate a thumbnail for each photo in a collection
•Transposing a matrix in parallel
•A networked application where one thread reads from the network and another
writes to the network
•The fork-join array summation application described in Section 4.5.2
•The Grand Central Dispatch system.
In Computer technology, parallelism can be defined as a situation in which the execution of two (2) or more different tasks starts at the same time. Thus, it simply means that the two (2) tasks or threads are executed simultaneously and as such making computation faster.
The types of parallelism.Generally, there are two (2) main types of parallelism that is used in computer programming and these are:
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Explain Each one and one example
a. Fillers, b. Passive voice used instead of active, c.
Structure is not parallel, d. Redundancies, e. Dangling or
misplaced modifier
When it is misplaced or dangling, it can create confusion or change the intended meaning of the sentence which is misplaced modifier and when the structure is not parallel, it can create confusion or make the sentence difficult to understand is parallel structure.
a. Fillers:
Fillers are words or phrases that are used in a sentence to take up space without adding any meaning to it. They are usually used in informal speech and writing. Example: Well, you know, um, like, I think that we should, uh, probably leave now.
b. Passive voice used instead of active:
Passive voice is a grammatical construction where the subject of the sentence is the recipient of the action, rather than the agent of the action. It is often used to avoid responsibility or to emphasize the object of the action instead of the person doing it. Example: The cake was eaten by the dog. (passive voice)The dog ate the cake. (active voice)
c. Structure is not parallel:
Parallel structure means using the same grammatical structure for similar parts of a sentence or paragraph. Example: I like running, to swim, and riding my bike. (not parallel)I like running, swimming, and riding my bike. (parallel)
d. Redundancies: Redundancies are words or phrases that are unnecessarily repeated in a sentence, making it longer and less clear. Example: She added an additional bonus to the package. (redundant)She added a bonus to the package. (concise)
e. Dangling or misplaced modifier: A modifier is a word or phrase that describes or qualifies another word or phrase. Example: Walking to the store, the sun was shining brightly. (dangling)Walking to the store, I saw that the sun was shining brightly. (corrected)
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In thi exercie we look at memory locality propertie of matrix computation. The following code i written in C, where element within the ame row are tored contiguouly. Aume each word i a 32-bit integer. How many 32-bit integer can be tored in a 16-byte cache block?
A 16-byte cache block can store 4 32-bit integers. To determine how many 32-bit integers can be stored in a 16-byte cache block, we need to divide the size of the cache block (in bytes) by the size of a single 32-bit integer (in bytes).
A 16-byte cache block can store 4 32-bit integers because the size of the cache block determines the maximum number of bytes that can be stored in it, and the size of the 32-bit integers determines how many of them can fit in the cache block. By dividing the size of the cache block by the size of the integers, we can determine how many integers can fit in the cache block.
Here is the computation:
Since a 32-bit integer is 4 bytes, we can calculate the number of 32-bit integers that can be stored in a 16-byte cache block as follows:
16 bytes / 4 bytes/integer = 4 integers
Therefore, a 16-byte cache block can store 4 32-bit integers.
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Which of the following are examples of packages you can import and use classes from in java?
Choose all options that apply.
A. Main.main
B. java.util
C. java.double
D. java.int
E. edhesive.shapes
Introduction:
Java is a computer programming language. A computer programmer may use package in java which is a mechanism to encapsulate a group of classes and then import it to sub package interfaces.
Explanation:
These package help to prevent the issues of naming conflicts. The examples of packages which can import and use classes from in java are
Conclusion:
A. Main.main
B. Java.util
D. java.int
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What is 7/12 simplified?
Answer:
7 12
Explanation:
problem 7 network address address class default subnet mask custom subnet mask total number of subnets total number of host addresses number of usable addresses number of bits borrowed 10.0.0.0 /16 what is the 11th subnet range? what is the subnet number for the 6th subnet? what is the subnet broadcast address for the 2nd subnet? what are the assignable addresses for the 9th subnet?
The 11th subnet range is = 10.10.0.0 to 10.10.255.255
The broadcast address of the 2nd subnet will be = 10.1.255.255
The assignable address range for the 9th subnet will be = 10.8.0.1 to 10.8.255.254
5 is the subnet number for the 6th subnet
Each device has an IP address made up of two parts: the client, also known as the host address, and the server, also known as the network address. A DHCP server or a user must manually configure IP addresses (static IP addresses). The subnet mask divides the IP address into host and network addresses, designating which portion of the address belongs to the device and which to the network. A gateway, also known as the default gateway, joins local devices to other networks. As a result, whenever a local device wants to send data to a device with an IP address on a different network, the gateway receives the packets first and then passes them on to the intended recipient outside of the local network.
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In stranger things 3 hopper said" to turn back the clock" which is a spoiler for season 4. (Something's gonna reset the clocks and all of what happens will begin again)
If i were to debate about why virtual reality should be stopped what points can i write
While there are arguments against virtual reality (VR), it is important to note that VR technology has numerous potential benefits in various fields. However, if you are specifically looking for points to debate against VR, here are a few arguments that some people might raise:
1. Health Concerns: One point against VR is that prolonged use may lead to health issues such as eye strain, motion sickness, and even psychological problems. Critics argue that the immersive nature of VR can disconnect individuals from the real world, potentially leading to a decline in social interactions and physical activity.
2. Expensive Technology: VR can be costly, with high-end devices and equipment often requiring a significant investment. This could limit accessibility for many people, making it an exclusive technology that only a few can afford.
3. Potential Addiction: Like any form of entertainment, excessive use of VR could lead to addiction. Critics argue that individuals might become overly dependent on VR experiences, neglecting their real-world responsibilities and relationships.
4. Privacy Concerns: VR applications often require personal data, including user behavior and preferences. Some argue that this data could be misused or exploited, raising concerns about privacy and data security.
5. Ethical Considerations: Critics might argue that VR could potentially blur the line between reality and simulation, leading to ethical dilemmas. For example, some worry that individuals could engage in morally questionable or harmful actions in virtual environments without considering the consequences.
It's important to note that these arguments are not universally agreed upon, and the benefits of VR can outweigh these concerns in many cases. When debating a topic like this, it is crucial to consider both sides of the argument and weigh the pros and cons based on evidence and real-world examples.
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Help please....
If you decide to work for yourself to develop apps for sale rather than for a company, you are known to be working_________
Explanation:
independently is correct
1 point
4. Part of a computer that allows
a user to put information into the
computer ?
O Output Device
O Operating System
O Input Device
O Software
Answer:
adwawdasdw
Explanation:
Answer:
I'm so sorry about the comment of that person down there
anyways I think its Number 2.
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Write one smart goal It has to be realistic ?
Background information The SMART in SMART goals stands for Specific, Measurable, Achievable, Relevant, and Time-Bound Defining these parameters as they pertain to your goal helps ensure that your objectives are attainable within a certain time frame.
Answer:
My goal is to have good grades because I failing now and I want to try and try to get my grade up
Explanation:
Pepsi or Coke B)
Or other
Answer:
Out of Pepsi or Coke, I gotta go with Coke, but in general any soda I would choose Orange Fanta.
Answer:
I prefer cream soda dr. pepper. But out of Pepsi and Coke, I'd choose Coke but I don't really like either.
Explanation:
Sandra has composed a draft of her essay in Microsoft Word. She now wants to revise the essay. Which tool can she use to store the document with a different name and makes changes in the new document?
Answer:
she can use Ctrl S then open it again
Explanation:
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